1071002142 has 64 divisors (see below), whose sum is σ = 2880023040. Its totient is φ = 287998848.

The previous prime is 1071002087. The next prime is 1071002147. The reversal of 1071002142 is 2412001701.

It is a super-2 number, since 2×1071002142² = 2294091176337176328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071002147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76908 + ... + 89759.

It is an arithmetic number, because the mean of its divisors is an integer number (45000360).

Almost surely, 2^1071002142 is an apocalyptic number.

1071002142 is an abundant number, since it is smaller than the sum of its proper divisors (1809020898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1071002142 is a wasteful number, since it uses less digits than its factorization.

1071002142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166702 (or 166696 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 1071002142 is about 32726.1690700271. The cubic root of 1071002142 is about 1023.1283367686.

Adding to 1071002142 its reverse (2412001701), we get a palindrome (3483003843).

The spelling of 1071002142 in words is "one billion, seventy-one million, two thousand, one hundred forty-two".